aha chdo - ee in home workshop
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Implementation of Energy Efficiency, Renewables,
& Green BuildingJune 10, 2008
Teresa Clarke, Senior Project ManagerAffordable Housing Associates
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Green building follows naturally from mission of non-profit developer
Green building principles further AHA’s mission statement, project goals and program requirements.
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AHA’sKey Design Principles
• Long-term affordability• Client-centered, community-oriented, user-friendly• High-quality design, materials, & construction• Cost-effective development and operations• Durable and easy to maintain• Energy and resource efficient• Healthy and safe
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Objectives of Green & Sustainable Building
• Sustainable Site/Smart Growth• Natural Resource Conservation• Energy Efficiency• Indoor Air Quality• And the newest kid on the block:
Reducing climate change impacts
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Case Study: Ashby Lofts, Berkeley, CA
• Southwest Berkeley- Mixed land uses• San Pablo Ave State Hwy 123• Ashby Avenue State Hwy 13
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Ashby Lofts-Sustainable Site
• Infill site rather than greenfield development• Transportation-
– TCAC = “Transit Amenities”=1/4 mile every 30 minutes
– LEED = ½ mile train, ¼ mile bus, bicycles for 15% of residents
• Neighborhood amenities– TCAC=Grocery, school, hospital, pharmacy, services
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Infill site near transit
• Multiple connecting bus lines, future intercity bicycle path, 1-mile from BART
• Close to retail: Walgreens, OSH, future Berkeley Bowl Market
• Close to Aquatic Park & San Pablo Park, Malcolm X elementary school
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Ashby Lofts- Sustainable Site
• Mixed-Use Zoning– 54 apts- 3BR, 2-BR 1-BR, ground floor retail
• High density development – 89 units/acre
• Parking– 15% reduction in parking required ratio
• Brownfield redevelopment– former asphalt processing plant
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Ashby Lofts:Building Design Strategies
• Exterior balconies, no double loaded corridors• Courtyard open spaces between buildings• Natural light with tall windows• Double-height spaces in larger apts• Cross ventilation from front to back
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Ashby Energy Efficient Systems
• Exceeded Title 24 Energy standards by 15%• 100% Florescent lighting• Timers, occupancy sensors, and controls for
lighting, fans and other HVAC equipment• Energy-efficient centralized boilers• PV Solar electric system• Energy STAR appliances
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Ashby Lofts
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Ashby Lofts
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AHA Green Building Materials
• Fiber-cement siding• Low VOC paint,
carpet, pad, adhesives• Formaldehyde-free
insulation• Recycled-content
carpet, CRI Green label
• Natural linoleum flooring
• Granite countertops• Solid wood face frame
cabinets & doors
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Ashby Lofts
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Water Efficient Systems
• Low water use plantings • Drip irrigation• On-site rainfall retention & infiltration
– TCAC = first 1/2inch of rainfall in 24-hr• High efficiency toilets
– TCAC = 1.3 gpf• Flow restrictors at faucets
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Madison @ 14th Apartments
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Infill site near transit and services
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Building Design
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Energy & Resource Efficient Systems
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PV Solar Electric System
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Madison @ 14th Apartments
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References for choosing green systems and materials
• Multi-family Green Building Guidelines– Alameda Co. Waste Management Authority
• Leadership in Energy & Environmental Design- (LEED)
• Build-it Green workshops